Icefall Regent [Dragons of Tarkir]

Icefall Regent [Dragons of Tarkir]Set: Dragons of Tarkir Type: Creature Dragon Rarity: Rare Cost: {3}{U}{U} Flying When Icefall Regent enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's untap step for as long as you control Icefall Regent. Spells your opponents cast that target Icefall Regent cost {2} more to cast.

They became a single entity

Vraska Type: Creature — Boar Rarity: Common Cost: {3}{G} Trample

Set: Urza's Legacy Type: Creature — Phyrexian Minion Rarity: Common Cost: {1}{B}{B} {1}

Set: Invasion Type: Enchantment — Aura Rarity: Common Cost: {3}{W} Enchant creature

When Drogskol Shieldmate enters the battlefield

"I came seeking a challenge

Set: Conspiracy: Take the Crown Type: Legendary Creature — Human Assassin Rarity: Mythic Cost: {1}{R}{W}{B} Deathtouch

both above and below the surface

Exile a card from your graveyard: Create a 1/1 white Human Soldier creature token

We have planned our attack

Set: Visions Type: Creature — Atog Rarity: Rare Cost: {1}{U} {0}: Chronatog gets +3/+3 until end of turn

Sacrifice a creature: Draw a card